Hatching for Thickness: By hatching (drawing carefully spaced parallel traces) in certain locations, you'll be able to generate the illusion of a thicker line and insert texture to the drawing. Overlapping Strokes: Layering or overlapping lines can create a feeling of thickness. This system is particularly practical with pens https://how-to-draw-with-ink-pens87664.blog-ezine.com/36306992/not-known-factual-statements-about-ink-drawing-for-beginners